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Details on display type, screen size, resolution, contrast ratio, light output, tuner bands, sound systems, power supply, and ambient conditions.
Explanation of connector color abbreviations and details on Side I/O and Rear Connections, including HDMI and SCART.
Diagrams illustrating the chassis overview for 26" & 32" and 37" & 42" models, showing main component locations.
Details safety regulations for repair, component substitution, wire routing, insulation checks, and cabinet integrity.
Explains resistor and capacitor value notation, asterisk usage, and the importance of referring to the spare parts list.
Provides information and handling guidelines for BGA ICs, including temperature profiles and website resources.
Explains how to identify different Bill of Materials (BOM) using the serial number's third digit for spare part ordering.
Instructions and diagrams for routing and securing internal cables within the television set.
Describes the necessary service position for accessing internal components.
Details the procedure for removing internal assemblies and panels.
Explains how test points are indicated in schematics and layouts, and measurement conditions.
Describes Service Default Mode (SDM), Service Alignment Mode (SAM), and Customer Service Mode (CSM) and how to access them.
Information on ComPair service tool, its introduction, specifications, and connection methods.
Explains the error code buffer, how to read it, and how to clear it.
Provides general troubleshooting notes and specific tips for NVM Editor and Scaler NVM settings.
Guidance on checking the power supply fuse, standby signal, and protection concepts for 12V, Vaudio, and 3V3STBY outputs.
Diagram illustrating the wiring connections for 26-inch and 32-inch models.
Diagram illustrating the wiring connections for 37-inch models.
Diagram illustrating the wiring connections for 42-inch models.
Block diagram detailing the power supply unit for 37-inch models, showing internal modules and connections.
Circuit diagram for the LCD supply's mains filter and standby section for 37-inch models.
Circuit diagram of the LCD supply unit for 37-inch models, detailing various voltage regulation and control circuits.
Top-side PWB layout for the LCD Supply board (37-inch models), showing component placement.
Circuit diagram for the LCD supply's mains filter and standby section A for 42-inch models.
Circuit diagram detailing the Hercules IC (TDA15021H), its connections, and functional blocks.
Circuit diagram detailing the DC-DC converter modules, showing power conversion and regulation circuits.
Circuit diagram of the Scaler IC, processing video signals and handling display timing and interfaces.
Circuit diagram for the HDMI input interface, showing connections to the scaler and digital I/O.
Bottom-side overview PWB layout for the Small Signal Board, divided into four parts showing component placement.
Specifies conditions for performing electrical adjustments, including mains voltage, warm-up time, and test probe requirements.
Details hardware alignment procedures, specifically for adjusting Backlight Voltage on 37" and 42" models.
Describes accessing and modifying SAM menu settings, including Option Bytes and Panel Size settings.
Introduces the LC4.31 chassis, its features, styling options, and the Hercules IC.
Illustrates the overall architecture of the TV set, showing major functional blocks and their interconnections.
Details the power supply module, its parts, and the different operating states (Power Off, Standby, Active).
Provides an alphabetical list of abbreviations used in the manual, with their meanings.
Lists the sets described in the manual by CTN, Styling, and published information, directing users to the service website.
First release of the manual.
Revision 1.1: Added information on 42PF5421/10 model.
Revision 1.2: Updated photos, added info on Speaker Foam, Backlight Voltage Alignment, Black Offset, DCXO, Panel Size Settings, and Hercules IC.
Revision 1.3: Corrected typos, updated text, introduced new SSB versions, and updated parts list link.
General
